Atomos just released the latest firmware 6.5 for their popular 4K recorders Shogun and Ninja Assassin - some of the new features include Canon C300 Mark II and C500 Raw to ProRes support, more 3D LUTs for the C300 MKII, and improved frame guides including 16:9, 2.4:1, 2.35:1, 1.9:1, 1.85:1 and 4:3.